GENUS. PRIONUS, _Fabr._ Cerambyx, _Linn._ SUBGENUS: Derobrachus, _Serv._

PRIONUS (DEROBRACHUS) LATICOLLIS. Niger latus, thorace marginato

transverso, tridentato, atro nitido; antennis brevibus. (Long. Corp. 1

unc. 9 lin.)

SYN. Cerambyx Laticollis, _Drury, App. vol._ 2.

Prionus brevicornis, _Fabricius Syst. Eleuth._ 2. _p._ 260. 15. _Sch.

Syn. Ins._ 3. 339. _Pal. Beauv. Ins. d'Afr. et d'Amer. Col. Pl._ 34. _f._

3.

HABITAT: New York.

Head black. Antennæ 12-jointed, about half the length of the insect.

Thorax black, broad, short, and shining; thick in the middle, but on the

sides thin and jagged. Scutellum bell-shaped. Elytra {79}rough, black,

and margined on the sides and suture; extending in one of the sexes

beyond the anus. Abdomen and under parts black and shining. Tibiæ with

two short spurs. Tarsi beneath of a dirty clay colour.

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